Toy wagon



FIG. 1 is a top view of the toy wagon showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a front perspective view thereof.

Portions of the articles in broken lines form no part of the claimed design. 

The ornamental design for a toy wagon, as shown and described. 